include/gdi.h

   1 /*
   2  * GDI definitions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 #ifndef GDI_H
   8 #define GDI_H
   9
  10 #include "windows.h"
  11 #include "ldt.h"
  12 #include "local.h"
  13 #include "x11drv.h"
  14
  15   /* GDI objects magic numbers */
  16 #define PEN_MAGIC             0x4f47
  17 #define BRUSH_MAGIC           0x4f48
  18 #define FONT_MAGIC            0x4f49
  19 #define PALETTE_MAGIC         0x4f4a
  20 #define BITMAP_MAGIC          0x4f4b
  21 #define REGION_MAGIC          0x4f4c
  22 #define DC_MAGIC              0x4f4d
  23 #define DISABLED_DC_MAGIC     0x4f4e
  24 #define META_DC_MAGIC         0x4f4f
  25 #define METAFILE_MAGIC        0x4f50
  26 #define METAFILE_DC_MAGIC     0x4f51
  27 #define MAGIC_DONTCARE        0xffff
  28
  29 typedef struct tagGDIOBJHDR
  30 {
  31     HANDLE16    hNext;
  32     WORD        wMagic;
  33     DWORD       dwCount;
  34 } GDIOBJHDR;
  35
  36
  37 typedef struct
  38 {
  39     WORD   version;       /*   0: driver version */
  40     WORD   technology;    /*   2: device technology */
  41     WORD   horzSize;      /*   4: width of display in mm */
  42     WORD   vertSize;      /*   6: height of display in mm */
  43     WORD   horzRes;       /*   8: width of display in pixels */
  44     WORD   vertRes;       /*  10: width of display in pixels */
  45     WORD   bitsPixel;     /*  12: bits per pixel */
  46     WORD   planes;        /*  14: color planes */
  47     WORD   numBrushes;    /*  16: device-specific brushes */
  48     WORD   numPens;       /*  18: device-specific pens */
  49     WORD   numMarkers;    /*  20: device-specific markers */
  50     WORD   numFonts;      /*  22: device-specific fonts */
  51     WORD   numColors;     /*  24: size of color table */
  52     WORD   pdeviceSize;   /*  26: size of PDEVICE structure */
  53     WORD   curveCaps;     /*  28: curve capabilities */
  54     WORD   lineCaps;      /*  30: line capabilities */
  55     WORD   polygonalCaps; /*  32: polygon capabilities */
  56     WORD   textCaps;      /*  34: text capabilities */
  57     WORD   clipCaps;      /*  36: clipping capabilities */
  58     WORD   rasterCaps;    /*  38: raster capabilities */
  59     WORD   aspectX;       /*  40: relative width of device pixel */
  60     WORD   aspectY;       /*  42: relative height of device pixel */
  61     WORD   aspectXY;      /*  44: relative diagonal width of device pixel */
  62     WORD   pad1[21];      /*  46-86: reserved */
  63     WORD   logPixelsX;    /*  88: pixels / logical X inch */
  64     WORD   logPixelsY;    /*  90: pixels / logical Y inch */
  65     WORD   pad2[6];       /*  92-102: reserved */
  66     WORD   sizePalette;   /* 104: entries in system palette */
  67     WORD   numReserved;   /* 106: reserved entries */
  68     WORD   colorRes;      /* 108: color resolution */
  69 } DeviceCaps;
  70
  71
  72   /* Device independent DC information */
  73 typedef struct
  74 {
  75     int           flags;
  76     const DeviceCaps *devCaps;
  77
  78     HANDLE16      hMetaFile;
  79     HRGN16        hClipRgn;     /* Clip region (may be 0) */
  80     HRGN16        hVisRgn;      /* Visible region (must never be 0) */
  81     HRGN16        hGCClipRgn;   /* GC clip region (ClipRgn AND VisRgn) */
  82     HPEN16        hPen;
  83     HBRUSH16      hBrush;
  84     HFONT16       hFont;
  85     HBITMAP16     hBitmap;
  86     HBITMAP16     hFirstBitmap; /* Bitmap selected at creation of the DC */
  87     HANDLE16      hDevice;
  88     HPALETTE16    hPalette;
  89
  90     WORD          ROPmode;
  91     WORD          polyFillMode;
  92     WORD          stretchBltMode;
  93     WORD          relAbsMode;
  94     WORD          backgroundMode;
  95     COLORREF      backgroundColor;
  96     COLORREF      textColor;
  97     int           backgroundPixel;
  98     int           textPixel;
  99     short         brushOrgX;
 100     short         brushOrgY;
 101
 102     WORD          textAlign;         /* Text alignment from SetTextAlign() */
 103     short         charExtra;         /* Spacing from SetTextCharacterExtra() */
 104     short         breakTotalExtra;   /* Total extra space for justification */
 105     short         breakCount;        /* Break char. count */
 106     short         breakExtra;        /* breakTotalExtra / breakCount */
 107     short         breakRem;          /* breakTotalExtra % breakCount */
 108
 109     BYTE          bitsPerPixel;
 110
 111     WORD          MapMode;
 112     short         DCOrgX;            /* DC origin */
 113     short         DCOrgY;
 114     short         CursPosX;          /* Current position */
 115     short         CursPosY;
 116     short         WndOrgX;
 117     short         WndOrgY;
 118     short         WndExtX;
 119     short         WndExtY;
 120     short         VportOrgX;
 121     short         VportOrgY;
 122     short         VportExtX;
 123     short         VportExtY;
 124 } WIN_DC_INFO;
 125
 126 typedef X11DRV_PDEVICE X_DC_INFO;  /* Temporary */
 127
 128 typedef struct tagDC
 129 {
 130     GDIOBJHDR      header;
 131     HDC16          hSelf;            /* Handle to this DC */
 132     const struct tagDC_FUNCS *funcs; /* DC function table */
 133     void          *physDev;          /* Physical device (driver-specific) */
 134     WORD           saveLevel;
 135     DWORD          dwHookData;
 136     FARPROC16      hookProc;
 137
 138     WIN_DC_INFO w;
 139     union
 140     {
 141         X_DC_INFO x;
 142         /* other devices (e.g. printer) */
 143     } u;
 144 } DC;
 145
 146 /* Device functions for the Wine driver interface */
 147 typedef struct tagDC_FUNCS
 148 {
 149     BOOL32     (*pArc)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
 150     BOOL32     (*pBitBlt)(DC*,INT32,INT32,INT32,INT32,DC*,INT32,INT32,DWORD);
 151     BOOL32     (*pChord)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
 152     BOOL32     (*pCreateDC)(DC*,LPCSTR,LPCSTR,LPCSTR,const DEVMODE*);
 153     BOOL32     (*pDeleteDC)(DC*);
 154     BOOL32     (*pDeleteObject)(HGDIOBJ16);
 155     BOOL32     (*pEllipse)(DC*,INT32,INT32,INT32,INT32);
 156     INT32      (*pEscape)(DC*,INT32,INT32,SEGPTR,SEGPTR);
 157     INT32      (*pExcludeClipRect)(DC*,INT32,INT32,INT32,INT32);
 158     INT32      (*pExcludeVisRect)(DC*,INT32,INT32,INT32,INT32);
 159     BOOL32     (*pExtFloodFill)(DC*,INT32,INT32,COLORREF,UINT32);
 160     BOOL32     (*pExtTextOut)(DC*,INT32,INT32,UINT32,const RECT32*,LPCSTR,UINT32,const INT32*);
 161     BOOL32     (*pFillRgn)(DC*,HRGN32,HBRUSH32);
 162     BOOL32     (*pFloodFill)(DC*,INT32,INT32,COLORREF);
 163     BOOL32     (*pFrameRgn)(DC*,HRGN32,HBRUSH32,INT32,INT32);
 164     BOOL32     (*pGetTextExtentPoint)(DC*,LPCSTR,INT32,LPSIZE32);
 165     BOOL32     (*pGetTextMetrics)(DC*,TEXTMETRIC32A*);
 166     INT32      (*pIntersectClipRect)(DC*,INT32,INT32,INT32,INT32);
 167     INT32      (*pIntersectVisRect)(DC*,INT32,INT32,INT32,INT32);
 168     BOOL32     (*pInvertRgn)(DC*,HRGN32);
 169     BOOL32     (*pLineTo)(DC*,INT32,INT32);
 170     BOOL32     (*pMoveToEx)(DC*,INT32,INT32,LPPOINT32);
 171     INT32      (*pOffsetClipRgn)(DC*,INT32,INT32);
 172     BOOL32     (*pOffsetViewportOrgEx)(DC*,INT32,INT32,LPPOINT32);
 173     BOOL32     (*pOffsetWindowOrgEx)(DC*,INT32,INT32,LPPOINT32);
 174     BOOL32     (*pPaintRgn)(DC*,HRGN32);
 175     BOOL32     (*pPatBlt)(DC*,INT32,INT32,INT32,INT32,DWORD);
 176     BOOL32     (*pPie)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
 177     BOOL32     (*pPolyPolygon)(DC*,LPPOINT32,LPINT32,UINT32);
 178     BOOL32     (*pPolygon)(DC*,LPPOINT32,INT32);
 179     BOOL32     (*pPolyline)(DC*,LPPOINT32,INT32);
 180     UINT32     (*pRealizePalette)(DC*);
 181     BOOL32     (*pRectangle)(DC*,INT32,INT32,INT32,INT32);
 182     BOOL32     (*pRestoreDC)(DC*,INT32);
 183     BOOL32     (*pRoundRect)(DC*,INT32,INT32,INT32,INT32,INT32,INT32);
 184     INT32      (*pSaveDC)(DC*);
 185     BOOL32     (*pScaleViewportExtEx)(DC*,INT32,INT32,INT32,INT32,LPSIZE32);
 186     BOOL32     (*pScaleWindowExtEx)(DC*,INT32,INT32,INT32,INT32,LPSIZE32);
 187     INT32      (*pSelectClipRgn)(DC*,HRGN32);
 188     HANDLE32   (*pSelectObject)(DC*,HANDLE32);
 189     HPALETTE32 (*pSelectPalette)(DC*,HPALETTE32,BOOL32);
 190     COLORREF   (*pSetBkColor)(DC*,COLORREF);
 191     WORD       (*pSetBkMode)(DC*,WORD);
 192     INT32      (*pSetDIBitsToDevice)(DC*,INT32,INT32,DWORD,DWORD,INT32,INT32,UINT32,UINT32,LPCVOID,const BITMAPINFO*,UINT32);
 193     WORD       (*pSetMapMode)(DC*,WORD);
 194     DWORD      (*pSetMapperFlags)(DC*,DWORD);
 195     COLORREF   (*pSetPixel)(DC*,INT32,INT32,COLORREF);
 196     WORD       (*pSetPolyFillMode)(DC*,WORD);
 197     WORD       (*pSetROP2)(DC*,WORD);
 198     WORD       (*pSetRelAbs)(DC*,WORD);
 199     WORD       (*pSetStretchBltMode)(DC*,WORD);
 200     WORD       (*pSetTextAlign)(DC*,WORD);
 201     INT32      (*pSetTextCharacterExtra)(DC*,INT32);
 202     DWORD      (*pSetTextColor)(DC*,DWORD);
 203     INT32      (*pSetTextJustification)(DC*,INT32,INT32);
 204     BOOL32     (*pSetViewportExtEx)(DC*,INT32,INT32,LPSIZE32);
 205     BOOL32     (*pSetViewportOrgEx)(DC*,INT32,INT32,LPPOINT32);
 206     BOOL32     (*pSetWindowExtEx)(DC*,INT32,INT32,LPSIZE32);
 207     BOOL32     (*pSetWindowOrgEx)(DC*,INT32,INT32,LPPOINT32);
 208     BOOL32     (*pStretchBlt)(DC*,INT32,INT32,INT32,INT32,DC*,INT32,INT32,INT32,INT32,DWORD);
 209     INT32      (*pStretchDIBits)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32,LPSTR,LPBITMAPINFO,WORD,DWORD);
 210     BOOL32     (*pTextOut)(DC*,INT32,INT32,LPCSTR,INT32);
 211 } DC_FUNCTIONS;
 212
 213   /* DC hook codes */
 214 #define DCHC_INVALIDVISRGN      0x0001
 215 #define DCHC_DELETEDC           0x0002
 216
 217 #define DCHF_INVALIDATEVISRGN   0x0001
 218 #define DCHF_VALIDATEVISRGN     0x0002
 219
 220   /* DC flags */
 221 #define DC_MEMORY     0x0001   /* It is a memory DC */
 222 #define DC_SAVED      0x0002   /* It is a saved DC */
 223 #define DC_DIRTY      0x0004   /* hVisRgn has to be updated */
 224 #define DC_THUNKHOOK  0x0008   /* DC hook is in the 16-bit code */
 225
 226   /* Last 32 bytes are reserved for stock object handles */
 227 #define GDI_HEAP_SIZE               0xffe0
 228
 229   /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
 230 #define FIRST_STOCK_HANDLE          GDI_HEAP_SIZE
 231
 232   /* Stock objects handles */
 233
 234 #define NB_STOCK_OBJECTS          (SYSTEM_FIXED_FONT + 1)
 235
 236 #define STOCK_WHITE_BRUSH         ((HBRUSH)(FIRST_STOCK_HANDLE+WHITE_BRUSH))
 237 #define STOCK_LTGRAY_BRUSH        ((HBRUSH)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH))
 238 #define STOCK_GRAY_BRUSH          ((HBRUSH)(FIRST_STOCK_HANDLE+GRAY_BRUSH))
 239 #define STOCK_DKGRAY_BRUSH        ((HBRUSH)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH))
 240 #define STOCK_BLACK_BRUSH         ((HBRUSH)(FIRST_STOCK_HANDLE+BLACK_BRUSH))
 241 #define STOCK_NULL_BRUSH          ((HBRUSH)(FIRST_STOCK_HANDLE+NULL_BRUSH))
 242 #define STOCK_HOLLOW_BRUSH        ((HBRUSH)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH))
 243 #define STOCK_WHITE_PEN           ((HPEN16)(FIRST_STOCK_HANDLE+WHITE_PEN))
 244 #define STOCK_BLACK_PEN           ((HPEN16)(FIRST_STOCK_HANDLE+BLACK_PEN))
 245 #define STOCK_NULL_PEN            ((HPEN16)(FIRST_STOCK_HANDLE+NULL_PEN))
 246 #define STOCK_OEM_FIXED_FONT      ((HFONT)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT))
 247 #define STOCK_ANSI_FIXED_FONT     ((HFONT)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT))
 248 #define STOCK_ANSI_VAR_FONT       ((HFONT)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT))
 249 #define STOCK_SYSTEM_FONT         ((HFONT)(FIRST_STOCK_HANDLE+SYSTEM_FONT))
 250 #define STOCK_DEVICE_DEFAULT_FONT ((HFONT)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT))
 251 #define STOCK_DEFAULT_PALETTE     ((HPALETTE16)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE))
 252 #define STOCK_SYSTEM_FIXED_FONT   ((HFONT)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT))
 253
 254 #define FIRST_STOCK_FONT          STOCK_OEM_FIXED_FONT
 255 #define LAST_STOCK_FONT           STOCK_SYSTEM_FIXED_FONT
 256
 257 #define LAST_STOCK_HANDLE         ((DWORD)STOCK_SYSTEM_FIXED_FONT)
 258
 259   /* Device <-> logical coords conversion */
 260
 261 #define XDPTOLP(dc,x) \
 262 (((x)-(dc)->w.VportOrgX) * (dc)->w.WndExtX / (dc)->w.VportExtX+(dc)->w.WndOrgX)
 263 #define YDPTOLP(dc,y) \
 264 (((y)-(dc)->w.VportOrgY) * (dc)->w.WndExtY / (dc)->w.VportExtY+(dc)->w.WndOrgY)
 265 #define XLPTODP(dc,x) \
 266 (((x)-(dc)->w.WndOrgX) * (dc)->w.VportExtX / (dc)->w.WndExtX+(dc)->w.VportOrgX)
 267 #define YLPTODP(dc,y) \
 268 (((y)-(dc)->w.WndOrgY) * (dc)->w.VportExtY / (dc)->w.WndExtY+(dc)->w.VportOrgY)
 269
 270
 271   /* GDI local heap */
 272
 273 extern WORD GDI_HeapSel;
 274
 275 #define GDI_HEAP_ALLOC(size) \
 276             LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) )
 277 #define GDI_HEAP_REALLOC(handle,size) \
 278             LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED )
 279 #define GDI_HEAP_FREE(handle) \
 280             LOCAL_Free( GDI_HeapSel, (handle) )
 281 #define GDI_HEAP_LIN_ADDR(handle)  \
 282          ((handle) ? PTR_SEG_OFF_TO_LIN(GDI_HeapSel, (handle)) : NULL)
 283 #define GDI_HEAP_SEG_ADDR(handle)  \
 284          ((handle) ? PTR_SEG_OFF_TO_SEGPTR(GDI_HeapSel, (handle)) : (SEGPTR)0)
 285
 286 extern BOOL32 GDI_Init(void);
 287 extern HANDLE16 GDI_AllocObject( WORD, WORD );
 288 extern BOOL32 GDI_FreeObject( HANDLE16 );
 289 extern GDIOBJHDR * GDI_GetObjPtr( HANDLE16, WORD );
 290 extern FARPROC16 GDI_GetDefDCHook(void);
 291
 292 extern BOOL32 DRIVER_RegisterDriver( LPCSTR name, const DC_FUNCTIONS *funcs );
 293 extern const DC_FUNCTIONS *DRIVER_FindDriver( LPCSTR name );
 294 extern BOOL32 DRIVER_UnregisterDriver( LPCSTR name );
 295
 296 extern Display * display;
 297 extern Screen * screen;
 298 extern Window rootWindow;
 299 extern int screenWidth, screenHeight, screenDepth;
 300 extern int desktopX, desktopY;   /* misc/main.c */
 301
 302 #endif  /* GDI_H */